Messages in this thread | | | Date | Thu, 10 Sep 2009 18:26:11 +0200 | From | Ingo Molnar <> | Subject | Re: BFS vs. mainline scheduler benchmarks and measurements |
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* Bret Towe <magnade@gmail.com> wrote:
> On Thu, Sep 10, 2009 at 9:05 AM, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote: > > On Thu, 2009-09-10 at 09:02 -0700, Bret Towe wrote: > >> > >> thanks to this thread and others I've seen several kernel tunables > >> that can effect how the scheduler performs/acts > >> but what I don't see after a bit of looking is where all these are > >> documented > >> perhaps thats also part of the reason there are unhappy people with > >> the current code in the kernel just because they don't know how > >> to tune it for their workload > > > > The thing is, ideally they should not need to poke at these. > > These knobs are under CONFIG_SCHED_DEBUG, and that is exactly > > what they are for. > > even then I would think they should be documented so people can > find out what item is hurting their workload so they can better > report the bug no?
Would be happy to apply such documentation patches. You could also help start adding a 'scheduler performance' wiki portion to perf.wiki.kernel.org, if you have time for that.
Ingo
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